840
FXUS65 KBYZ 301024
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
324 AM MST FRI JAN 30 2026
KEY MESSAGES
- LOCALIZED FOG IS EXPECTED ACROSS SOUTHEAST MT THROUGH THIS
MORNING.
- A BRIEF PERIOD OF LIGHT FREEZING RAIN (UP TO 0.05 INCHES) IS
EXPECTED TO IMPACT NORTHERN ROSEBUD COUNTY EASTWARD LATE TONIGHT
INTO EARLY SATURDAY.
- STRONG WINDS GUSTS ALONG WESTERN FOOTHILLS LATE FRIDAY THROUGH
SATURDAY; 60% CHANCE OF 60+ MPH GUSTS AT LIVINGSTON AND NYE WITH
A 50% CHANCE FOR BIG TIMBER THROUGH HARLOWTON.
- MOSTLY DRY WITH PERIODS OF GUSTY WINDS ALONG THE WESTERN
FOOTHILLS THROUGH THE NEXT 7 DAYS.
- A PROLONGED PERIOD OF ABOVE NORMAL TEMPERATURES WILL PERSIST
THROUGH AT LEAST THE FIRST WEEK OF FEBRUARY.
DISCUSSION
TODAY THROUGH THURSDAY...
CURRENTLY, RETREATING ENERGY ON THE LEE SIDE OF RIDGING IS
ALLOWING FOR FOG/LOW STRATUS IN SOUTHEAST MT. USE CAUTION
TRAVELING ALONG I-90 FROM FORSYTH TO MILES CITY AS VISIBILITY MAY
DROP TO A MILE OR LESS AT TIMES. FOG IS EXPECTED TO GRADUALLY
CLEAR LATE MORNING. A PRESSURE GRADIENT FAVORABLE FOR GAP WINDS
IN THE LIVINGSTON AREA WILL REMAIN IN PLACE KEEPING CONDITIONS
BREEZY TODAY. AS 700 MB WINDS INCREASE THIS EVENING (40-55 KTS),
CONFIDENCE HAS INCREASED FOR STRONG WINDS ACROSS THE WESTERN
FOOTHILLS. CURRENTLY, THERE IS A 60% CHANCE FOR SOUTHWEST WIND
GUSTS UP TO 60 MPH FOR LIVINGSTON THROUGH NYE WITH ABOUT A 50%
CHANCE FOR BIG TIMBER TO HARLOWTON. THE BEST TIMING FOR THESE
STRONG WINDS WILL BE LATE THIS EVENING THROUGH MID DAY SATURDAY.
THE SAME DISTURBANCE ASSOCIATED WITH THESE STRONGER 700 MB WINDS
WILL ALSO BRING SOME SLIGHT TO MODERATE CHANCES (HIGHEST ACROSS
EASTERN MT) FOR PRECIPITATION LATE TONIGHT THROUGH SATURDAY
MORNING. WARM AIR ADVECTION WILL WORK INTO EASTERN MT WHICH HAS
INCREASED CONFIDENCE FOR MIXED PRECIPITATION, INCLUDING FREEZING
RAIN. WITH THIS, A WINTER WEATHER ADVISORY FOR NORTHER ROSEBUD,
CUSTER, FALLON, CARTER AND POWDER RIVER COUNTIES HAS BEEN ISSUED
FOR 11 PM THIS EVENING THROUGH 11 AM SATURDAY. USE CAUTION IF
TRAVELING THROUGH THESE AREAS SATURDAY MORNING. FREEZING RAIN WILL
TRANSITION TO RAIN ACROSS EASTERN MT AS WARMER AIR MAKES IT TO
THE SURFACE.
DRYER AIR AND RIDGING WILL FOLLOW INTO LATE SATURDAY
AND SUNDAY. LATE SUNDAY ANOTHER DISTURBANCE PASSES THROUGH, BUT
THE BEST FORCING LOOKS TO REMAIN ACROSS NORTHERN MT. HEIGHTS WILL
CONTINUE TO INCREASE ALLOWING FOR WARMER TEMPERATURES AND
CONTINUING DRY CONDITIONS.
HIGH TEMPERATURES TODAY WILL BE IN THE 20S EAST TO 40S AND LOW
50S WEST. TEMPERATURES FOR THE REMAINDER OF THE PERIOD WILL BE IN
THE 40S AND 50S. THURSDAY WILL BE THE WARMEST WITH HIGH CHANCES
FOR HIGH TEMPERATURES OF AT LEAST 65 DEGREES ACROSS AREAS OF
SOUTH CENTRAL MT. TS
AVIATION
LIGHT SNOW LINGERING OVER FAR SOUTHEASTERN MONTANA WILL COME TO
AN END THIS MORNING. WHERE SNOW IS FALLING, LOOK FOR MVFR TO IFR
CONDITIONS. OTHERWISE, THERE IS A MODERATE TO HIGH CHANCE OF FOG
OVERNIGHT INTO THIS MORNING OVER PORTIONS OF EASTERN MONTANA,
INCLUDING KMLS AND KBHK. IFR TO VLIFR CONDITIONS ARE POSSIBLE WITH
THE FOG. VFR CONDITIONS WILL PREVAIL ELSEWHERE AHEAD OF ANOTHER
WEATHER SYSTEM LATE TODAY INTO SATURDAY MORNING WHICH COULD BRING
MIXED PRECIPITATION, INCLUDING FZRA TO EASTERN MONTANA. TERMINALS
IMPACTED INCLUDE KMLS, KBHK AND K97M. STP
PRELIMINARY POINT TEMP/POPS
TDY SAT SUN MON TUE WED THU
-------------------------------------------------------
BIL 048 036/057 032/056 036/055 033/052 029/056 036/062
1/B 10/N 00/B 00/N 01/B 00/B 00/U
LVM 046 036/052 032/056 032/047 029/047 029/054 033/058
2/R 20/N 00/B 00/N 01/B 00/B 00/U
HDN 051 034/057 026/056 032/056 030/053 027/056 032/062
1/B 30/B 00/B 00/B 11/B 10/B 00/U
MLS 036 026/050 024/046 029/052 029/046 023/049 032/056
0/E 41/B 00/B 01/B 11/B 00/B 00/U
4BQ 039 026/050 026/052 031/052 031/046 025/050 034/057
1/E 41/B 00/B 00/B 11/B 10/B 00/U
BHK 023 013/043 021/040 023/045 024/040 019/042 027/049
0/N 54/O 00/B 01/B 11/B 10/B 00/B
SHR 046 028/052 026/056 030/052 025/046 024/052 029/060
1/B 20/N 00/B 00/B 11/B 10/B 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM MST SATURDAY FOR ZONES 31>33-36-37.
HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON FOR ZONES 63-141-172-228.
WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST
SATURDAY FOR ZONES 65-66.
WY...NONE.
WEATHER.GOV/BILLINGS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page